间隔式砖基础大放脚台阶的宽高比为（）

Every deliberate act of wrongdoing by the master or any of the crew against the ship or cargo，without the authorization or privity of the Shipowner or his agent，is（）.

（）, or drum is used for hauling in or letting out the wires or ropes which will fasten the ship to the shore.

A salvor may be（）the whole or part of the payment due under Salvage Convention to the extent that the salvage operations have become necessary or more difficult because of fault or neglect on his part or if the salvor has been guilty of fraud or other dishonest conduct.

The （） is used for hauling in or letting out the wires or ropes.

Vessels must be（）valid certificate of nationality or certificated of registry or license.

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

砖砌体的组砌形式有（）。

砖基础底标高不同时，应（）；当设计无要求时，搭砌长度不应小于砖基础大放脚的高度。

砖基础用普通黏土砖与水泥混合砂浆砌成。砖基础多砌成台阶形状，称为"大放脚"。在大放脚的下面一般做垫层。垫层材料可用C15混凝土。

计算工程量时，基础大放脚丁形接头处重复计算的体积要扣除。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。